1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
-Dominant- [34]
3 years ago
11

1. 2(3x – 4) + 10 = 5(x + 4) somebody please help me for 10 points ?

Mathematics
1 answer:
love history [14]3 years ago
6 0

Answer:

<h3>X=18</h3>

Step-by-step explanation:

Isolate x on one side of the equation.

<u><em>DISTRIBUTIVE PROPERTY:</em></u>

A(B+C)=AB+AC

A(B-C)=AB-AC

2(3x – 4) + 10 = 5(x + 4)

2(3x-4)+10 (First, expand by using distributive property.)

2*3x=6x

2*4=8

6x-8

6x-8+10

-8+10 (Add and subtract.)

-8+10=2

6x+2

5(x+4)

5*x=5x

5*4=20

5x+20

6x+2=5x+20

6x+2-2=5x+20-2 (Subtract 2 from both sides.)

20-2 (Solve.)

20-2=18

6x=5x+18

6x-5x=5x+18-5x (Then, subtract 5x from both sides.)

18-5x (Solve.)

18-5x=18

x=18

So, the correct answer is x=18.

You might be interested in
Can someone answer this for me
ladessa [460]

The linear equation in standard form is:

6x - 7y = -11

Which is the last option.

<h3>How to get the equation of the line?</h3>

The line in slope-intercept form is written as:

y = a*x + b

We can see that the line passes through the points (-3, -1) and (1/2, 2), then the slope is:

a = \frac{2 - (-1)}{1/2 - (-3)}  = \frac{3}{3.5}  = \frac{6}{7}

Then we can write:

y = (6/7)*x + b

To find the value of b, we use the first point. It means that when x = -3, the value of y is -1, then we get:

-1 = (6/7)*-3 + b

-1 + 18/7 = b

-7/7 + 18/7 = b

11/7 = b

Then the equation is:

y = (6/7)*x + 11/7

If we multiply both sides by 7 we get:

7y = 6x + 11

Now we move the term with "x" to the left:

7y - 6x = 11

That is the line in standard form.

If we multiply both sides by -1, we get the last option:

6x - 7y = -11

If you want to learn more about linear equations:

brainly.com/question/1884491

#SPJ1

8 0
2 years ago
Read 2 more answers
What is the shaped called that looks like a rectangle with sides of a triangle (has 6 sides)
Oxana [17]

Its called a hexagon.

6 0
3 years ago
Which is the equation in slope-intercept form of the line that contains points A and C.
Naya [18.7K]
X1,y1 = (-4,-2), x2, y2 = (9-2,-4)
could you check if 9-2 is actually correct, just I never seen it before

4 0
3 years ago
30 points please I really need help
alexandr402 [8]

Answer :

$38 + $2(n) where n is the no. of cars.

Step-by-step explanation:

He earns $38 daily which is fixed and additional $2 wage depends on the no. of cars which means no. of cars will determine how many $2's he earns.

25 cars = $38 + $2 (25) = $88

30 cars = $38 + $2 (30) = $98

35 cars = $38 + $2 (35) = $108

40 cars = $38 + $2 (40) = $118

8 0
3 years ago
What is the surface area of a rectangular box that is 12 centimeters long, 10 centimeters wide, and 15 centimeters high?
Harman [31]
SA= 2LW + 2LH + 2WH
Substituting for the values, SA = 900 cm^2
4 0
3 years ago
Other questions:
  • In Triangle ABC, AB = 10. AC = 14, and angle A = 51°. Find the length of BC to the nearest hundredth
    7·2 answers
  • If a central angle and an inscribed angle intercept the same arc are they congruent?
    5·1 answer
  • Which expression is equivalent to sqr 400i8j4k6
    9·1 answer
  • Find the value of x.
    9·1 answer
  • Here we will study the function f (x) = e ^ x sin (x), where x ∈ [0, 2π]. a) Determine where the function is decreasing and incr
    15·2 answers
  • Anyone know the answer??
    14·2 answers
  • I need some help please
    11·2 answers
  • Using appropriate properties find: 2/3 × 3/4 + 3/7 × 3/4​
    11·1 answer
  • If the age of person A is 7 years more than that of person B and the sum of there ages is 25 years old how old is person A ? (Br
    5·2 answers
  • Please help me with this!!!
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!